What is my Facebook password

Ask Meta who owns Facebook, this has nothing to do with Apple.

There is usually a way to reset your password if you forgot it. Look around on the login page for a link that might say something like Forgot Password.

Jadaah wrote:

What is the password to the account

Hello!

We don’t know your password. We are your fellow users, helping other people with their Apple products and Services. (Hint)

Please reach out to Facebook Support. Good luck!