You don't give enough information for anyone to answer that question properly. You would need to state how much you currently and how many calories you're eating, then you factor in the expenditure you expect to lose with your workouts.
If you provide that information, I may be able to help you out
You can loose your weight, If you lost calories more than you take calories.
It does not means that you take very little calorie and spend more calorie, It is harmful for health and also bad for metabolism. So its good to take balance diet and regular exercise. The amount of balance diet depend upon your age and height.