Whilst you may have nothing to hide, you would be well advised to ensure that your old iPad is properly reset and erased before handing the iPad to another user for reuse.
If you fail to do so, you may “merge” your sensitive data (such as your Keychain with account passwords) and other AppleID/iCloud account data with that of another person. This not only represents a privacy and account security problem, you may also overwrite someone else’s data.
The most effective way to properly prepare the iPad, wiping all data and removing the Activation Lock (that will otherwise cause future issues) is to follow this process:
What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support