You simply can't do that, at first because to descrypt a hashed password its very complicated and sometimes, close to impossible, plus the thing you want to do its insecure and will lead to security vulnerabilities.
You can read why it's important to hash password in this blogoverflow post: Why passwords should be hashed.
Now knowing why passwords must be hashed in the database, you could find a solution in your problem storing the password when the user changes it on a single request in a variable or in a session, this stills being not a good practice but that could be a solution only in extremis.
If you want to show in the view the typed password after a post form, you can send the password in a variable to the view in your controller like:
return view('view')->with('typed_password', $request->password);
And in your view you can print it using:
{{ $typed_password }}