change of visa from B1/B2 to J2

[luzo]

Hi,

I am currently in USA on a B1/B2 Visa would like to change my visa status to J2, as i am married to a J1 visa holder.
Can i change my visa status in USA ? if so could anyone give me a quick guidelines on the process and duration of the process taken for the change in visa status.

Regards.