Please follow the step-by-step guide to sign out of iCloud on your iPad:

Step 1: Launch the "Settings" app.

Step 2: Tap on your signed in Apple ID at the top of the screen.

Step 3: Scroll down to the bottom of the screen and click on "Sign Out".

Step 4: Enter the password associated with your Apple ID. Click on Turn Off.

Step 5: Select which data you want to keep a copy of on your iPad and toggle the switch to on.

Step 6: Click on "Sign Out" in the upper right corner.

 

Please click on the link for further details - https://www.imore.com/how-create-new-apple-id-your-iphone-or-ipad