Hello there! My name is***** and I will be assisting you today.
You should be able to reset your password ***** the site: http://iforgot.apple.com/
enter your Apple ID and click Next.
-Select Email authentication followed by Next.
Check your email and there should be a message from Apple with instructions on how to reset your password.
if that does not work then follow the steps below
Open Keychain Access, which is in the Utilities folder within the Applications folder.
From the Keychain Access menu, choose Preferences.
Click General, then click Reset My Default Keychain.
click apple icon and select reset.
Once you have the Apple ID and have reset the password, test out that it is working properly by signing into the Apple ID management site:
https://appleid.apple.com/ (Click "Manage Your Apple ID")