How to make iPad show WiFi password

My iPad 2 is automatically connected to a secured WiFi network at home. Now I need to log my iPhone 4s into the network but I don't remember the password. Is that a way to show or recover the password I have entered on the iPad when connecting to networks?No, you can't. You have to reset your WiFi router to factory default using an administrator account and password. Then re-enter the password on