Here is the iPhone. I've only used an iPhone 4 so I think you should try this with an iPhone 4.
This is the iPad you will need. If you'd like you can use an iPad 2generation or an iPad 1 generation it should work either way.
Go to the settings on the ipad
Go to the settings on the iPhone
After going to the settings on the iPhone and and iPad tap the iCloud setting. After going on the iCloud setting tap on the email entering address bar and type in your email address on both address'.
Now go to. Your contacts and you should see your contacts on your iPad and iPhone
- Email account
- ability to type on an iPad