Assuming you're using PicBasicPro (like the title of this section of the forum says), I assume you are using MeLabs PicBasicPro, and therefore, I can infer that you have or have access to the PicBasicPro manual, which contains instruction on how to configure an ADC port, how to set ports for input and/or output, how to set up a serial port (baud rates, pin configuration, etc) and how to set up the I2C module and pins.
So what exactly is the problem then?