If you wish to sign in to iCloud on any new gadget or else download anything from iTunes or else the App Store, then you require Apple ID password for doing it. Note that if you forgot the password, then you do have the option of resetting it with the help of the present browser of the iPhone, iPad, or else any Mac device. Even if you do not remember the Apple ID of yours, you shall be able to recover that also.
https://omcafeeactivate.com/how-to-reset-forgotten-apple-id/