My cervical spine(ligament) injury took place 5months ago and now i have full range of motion without any pain and have started lifting again light weight. there are some clicking sounds that i still hear!what is the chance of getting full strength?

Not feasible to answer your question as too many potential variables, and we cannot predict outcomes. But some advice, and that is: go very, very slowly and stay at light weights for weeks. Have a physical therapist or an exercise physiologist provide a specific exercise plan to fit your individual limits and goals. Do not work with a personal trainer unless possessing the prior credentials.