Answer:
I can be written, I can be spoken, I can be exposed, I can be broken.
Covered in stone and sun. It's home to many but also none. What is it?
When they are caught, they are thrown away. When they escape, you itch all day.
A house full, a yard full, a chimney full, no one can get a spoonful.
What is that you will break everytime you name it?
I am your mother's brother's only brother in law. Who am I?