Assuming you use the same PC for your iPhone as your iPad and the iPhone has been synched... Open iTunes and plug your iPad into your PC. Click on "the name of your iPad" in "Devices" in the left sidebar. Under the "Info" tab at the top of the screen you'll find "Synch Contacts" Uncheck this if it's checked. Then check "Selected Groups" and then check "iphone." Click "Synch" at...