jIH:
> lo'chaj 'oH nuq'e' ?

Is this correct ? Can we place the {-'e'} on the nuq ? Or is the {-'e'} only to be placed on nouns ? (and not question words that is..)

Yes, you can do that. Okrand has done it himself: Sojvetlh 'oH nuq'e' what is that food? in Power Klingon.

-- 
SuStel
http://trimboli.name