Nurul,
Usually for first timers, they'll try IVF first then if results not good they'll do ICSI. But it also pretty much depends on the number and quality of eggs and sperm that they have available to "play" with. In any case, i think we can trust their professionalism and expertise and let them decide the best course of action.
For KKH anyway, they'll ask you to sign a consent form that agrees to both IVF and ICSI, so when the time comes, it'll be up to the judgement of the embryologists.