Wrong email installed on my ipad how do i uninstall

The following works on devices with iOS7
1. go to the homescreen by pressing the home button
2. launch the "Settings" app
3. search on the left side for "Mail, Contacts, Calendars" and tap on
4. on the right side you will see "Accounts"
5. tap on the account name you would like to remove
6. the account details will appear (ie. your email address)
7. on the bottom you will have a "Delete Account" button.
8. By taping the button you can delete the account.

Be ware an account can be associated with multiple apps not only email. By deleting the account you will not receive associated calendars, notes, or contacts.

If you would like to remove only the emails associated with one account you should switch off the email option for that account on the same screen that appears at step 6.