Retrieve List Item using SharePoint Client Object

This code retrieve the sharepoint list item using SharePoint Client Object Model

ClientContext context = new ClientContext("http://WIN-ASNOSC246SV");
var web = context.Web;
context.Load(web);

List list = web.Lists.GetByTitle("Friends");
context.Load(list);

CamlQuery query = new CamlQuery();
query.ViewXml = "";
ListItemCollection cols = list.GetItems(query);
context.Load(cols);

ListItem item = cols.GetById(1);
context.Load(item);

context.ExecuteQuery();
Response.Write(item["Name"].ToString());