Is there a way to use an adapter to connect my ipad to a USB keyboard and to an ACDC for power

I have a tablet keyboard with a male USB plug attached to it and it came with an adapter with a female USB on one end and a mini male USB on the other end. I was wondering if there is a way to use that keyboard with my iPad and iPod? There are adapters that plug into laptops and pc's that you can plug keyboards and mice into. Will it work if I plug the iPod or iPad into one and the keyboard into one and then plug one into the ACDC power adapter (since I am sure the keyboard will drain the battery quicker). I am so tired of the iPad keyboard always hiding what I am trying to type.