about pronunciation how to differentiat the pronunciation on "g" and "c"?Thank you

How start to study Spanish ? i never have the expriences about studying Spanish . Is there any advice for me ?

hola I'amChinese Girl, and I want to study Spanishvery much and Iike to make friend.
Anyone who want to make friends with me or prefer to help me about  spanish ,or want  to study Chinese   
 please  tell me  ,Thank you !

New learner I'm a new learner about Spanish and a newcomer to italki . I'm so happy to find italki and take part in it ! I hope I can make friends by italki ! My English is poor! If I made some mistakes , please tell me ! Thank you very much!