Transfer half of the property through quit claim

[STEPHEN YUAN]

Scenario:
The property is located in Georgia, South Carolina, or North Carolina. 

Person A owns 50% of the property.
A is the responsible for the mortgage on the property.

Person B owns the other 50% of the property.

B is not responsible for the mortgage AT ALL; he/she's an non-obligated borrower.

If B wants to transfer his ownership to C through quitclaim deed, is there going to be any problems with? 

1. The lenders?
2. Title insurance

Any other problems?