Set the selected values from the second table view in user defaults as below
[[NSUserDefaults standardUserDefaults] setObject:@"selected value" forKey:@"key"];
Then in access that and set it to text field in the viewWillAppear method of the first view Controller as below
-( void ) viewWillAppear:(BOOL)animated
{
textField.text = [[NSUserDefaults standardUserDefaults] objectForKey:@"key"];
}