Just talk to her a lot about whatever comes to mind, testing it with 2 important criteria: 1) is this something it would be possible to talk about? (i.e., "could this just be me rambling about some esoteric tidbit of my lifestyle?"), & 2) "would she enjoy talking about this rather than continuing doing whatever she was doing before I came over here?"
Meaning, you have to gauge whether you're bothering her.
But in the end... if none of the things you want to talk about are things she wants to talk about, you won't get along.