can you have two iphones with separate iclouds on the same itunes account, can you have two iphones with separate iclouds on the same itunes account

I have one itunes account with mulitple libraries for each device (one iphone, 4 ipods). The one iphone is connected via the cloud. everytime a new song or app is added to the account it is placed in all of the libraries. I want to add another iphone to the acccount when I tried it replaced the contacts with the contacts on the iphone already on the account. How do I prevent that from happening and can I have two iphones on the same account and use the cloud on both

thanks