Dukes.
I'm guessing you are wanting to apply to this scheme:
Cathay Pacific | Cadet Pilots
It does appear to require a permanent HKID card, which I believe means being resident for at least 7 years in HK.
If you are looking to be a professional pilot, look at:
This forum:
Professional Pilot Training (includes ground studies) - PPRuNe Forums
Start here:
http://www.pprune.org/professional-p...-question.html
And read through this:
http://www.pprune.org/professional-p...do-search.html