Q: i want to make recovery partition on my new macbook pro without loosing my data

If you have Mt. Lion installed, there should already be a recovery partition.  Start your MBP holding down the OPTION key.  The result on the display should show two HHD icons, one of which is the recovery partition.

Ciao.

You already have one. Hold command r keys and boot the machine into it to see.

If your meaning you want another partition to boot your machine normally, like a cloned OS X partition, you can do that this way.

1: Make sure you have less than 50% of your boot OS X partition filled with data, this can be done looking at Activity Monior.

2: Another thing, all the OS X data needs to be on the top part of the drive, to make room at the bottom for the second 50% paritition. You can't always tell this easily but you'll find out shortly.

3: Use Apple's BootCamp software and create the second 50% partition on the drive and then exit it without proceeding further. If it fails or is not large enough, then the #2 above problem is evident and you need to clone and reverse clone from a external drive to shift all the data back up.

BootCamp: "This disc can not be partitioned/impossible to move files."

4: If you have a second 50% partition on the drive, next head to Disk Utility and select the second partition and change it's format to OS X Extended Journaled and the name to Macintosh HD 2 (name optional of course)

5: Next download Carbon Copy Cloner and clone the first partition to the second, make sure it's a PURE CLONE in preferences as the default is to save the states between updates.

6: Reboot the machine holding the option/alt key down, Startup Manager launches and your second boot partition is there.

This method provides a second bootable clone while portable for excellent sofware protection, however if the drive fails both parititions are lost, so external clones on extra hardware are of course needed also.