how to rotate an object in the same direction as normal.

Unity Engine
1

I’m using unity and I do not know how to rotate an object in the same direction as normal.
I have a camera with RaycastHit.normal, how do I leave the object always looking straight at normal

4734527--448613--ray.jpg
4734527--448613--ray.jpg1000×996 107 KB

2 
object.transform.rotation = Quaternion.LookRotation( -normal );