Reason for quitting job :
Never refer to a major problem with management or say undesirable things about your supervisors, co-workers or the organization. Keep smiling and talk about leaving for a positive reason such as an opportunity, or a chance to do something better.
what are u doing these 2 years:
Mention the activities you have done that would help market yourself like trainings or short courses you attended, or for example say, "I gave birth and had to take care of my baby and this experience taught me so much about patience and time management.