Is I can update my iPad with MacBook

Yes, you can use the Mac to update your iOS device, check this:

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Update your device using your computer

If you can’t update wirelessly on your device, you can update manually using a computer that you trust. If your computer is using Personal Hotspot on the device that you’re updating, connect your computer to a different Wi-Fi or Ethernet network before you update.

1. On a Mac with macOS Catalina 10.15, open Finder. On a Mac with macOS Mojave 10.14 or earlier, or on a PC, open iTunes.
2. Connect your device to your computer.
3. Locate your device on your computer.
4. Click General or Settings, then click Check for Update. 

5 . Click Download and Update.

6 . If asked, enter your passcode. If you don't know your passcode, learn what to do.

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copied from: Update your iPhone, iPad, or iPod touch - Apple Support