Kayfa haluka - to a guy

Kayfa haluki - to a girl

kefik / kayf halok or ezzyek

In Egyptian dialect you can say(( ezayak)) ازيك 

 Or كيف حالك(( kaifa halok)) means how are you

كيف حالُكَ ؟

for the classical Arabic way , you can say :   كيف حالك ؟  ( kayf halok) for a male , a female ( kayf haloki) 

but there are different slangs that you can say this with it depends on the country or whether you like to talk like the native peaple .